Resolve "Argument verification using partial matching"

See merge request !5

v1.4.3.68 CLEAN: LatUnit, TimeStepIn and TimeStepInOut arguments now checked using the match.arg function in PE_Oudin #37

v1.4.3.67 CLEAN: TimeFormat and NewTimeFormat arguments now checked using the match.arg function in SeriesAggreg

v1.4.3.66 UPDATE: hydroPSO package back on CRAN and suggested again #38

See merge request !4

v1.4.3.61 DOC: run period is reduced in Imax example to pass CRAN checks (and changed for RunModel_GR5H)

v1.4.3.52 DOC: run period is reduced in Imax example to pass CRAN checks (and changed for RunModel_GR5H)

v1.4.3.51 DOC: references to GR5H added in V01_get_started vignette (and bib file) and web linked corrected (from irstea to inrae)

v1.4.3.45 CLEAN: 3 variables initialised even they are unused when IsHyst is .FALSE. in frun_CemaNeige Fortran code #15

v1.4.3.45 CLEAN: 3 variables initialised even they are unused when IsHyst is .FALSE. in frun_CemaNeige Fortran code #15

v1.4.3.45 CLEAN: 3 variables initialised even they are unused when IsHyst is .FALSE. in frun_CemaNeige Fortran code #15

v1.4.3.44 CLEAN: double precision defined for all elements used by the MAX fun in frun_GR5H Fortran code